Sectional furnace for hot-water heating.



PATBNTBD DEQ. 25,1906.

' B. P. ROGERS. SBGTIONAL PURNAGBPORHOT WATER HEATING.

APPLICATION FILED NOV. 7| 1905.

2 SHEETS-SHEET L im: a

PATENTED DEC. 25, 190,6.

R. F. RoGRRs.` SRGTIONAL PURNVAGR FOR ROT WATER HEATING.

APPLICATION FILED NOV. 7. 1905* 2 SHEETS-SHEBT 2.

IIIIIIHI `BENJAMiN FRANKLIN ROGER l SECTIONAL FURNACE FO Specification of vLetters Patent.

S, OF BUFFALO, NEW YORK.

R HOT\NATEFR=HEATING\ Patented Dec. 1906l Application filed November 7.1905. Serial- No. 286,310.

T0 all whont t 71mg/ concern:

Be it known that I, BENJAMIN FRANKLIN ROGERS, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented a new and useful Sectional Furnace for Hot-lVater Heating, of which the following is a speciiicatioii.

This invention relates to boilers, and while particularly intended for that type employed in hot-water heating systems itis capable of advantageous use in otherv analogous relations.

One of the principal objects is to provide a structure having a comparatively great heating-surface and wherein a portion of said surface is embedded `directly inthe hottest part of the fire, said structure, moreover, being exceedingly economical in theamount of fuel necessary to operate it.

Another and important object is to provide a-novel boiler wherein the furnace is dividedinto a plurality of compartments in either or both of which fire may be maintained in order to conveniently vary the heating `capacity of the boiler.

A' still lfurther Objectis to provide a novel system of fluesthroughiwhich.the products of combustion pass before escaping, said fiue system being intimately associated with the waterto be heated, and thereby insuring the absorption of practically the entire heat from the products of combustion.

The preferred embodiment of the invention `is illustrated in the accompanying drawings, wherein- Figure 1 is-a perspective view of one type of the boilerlwith the frontsection removed. Fig; 2 isla View in elevation of the rear section of the boiler. Fig. 3 is a viewA in rear elevation-of the'front section of the boiler. Fig- .4 is a vertical sectional view through the complete boiler. Fig; 5 is a horizontal sectional view substantially on the line 5 5 of Fig.; 4. Fig. 6 is a detail horizontal sectional view, on an enlarged scale, through a portion of the partition formed by the water-legs.

Similar reference-numerals designate corresponding parts in all the figures of the drawings.

In the embodiment illustrated-the furnace is made up of a front section 7, a rear section S, and a plurality of intermediate sections 9, any number of which may be employed as desired. rhese various sections are supported onasuitable extending from end to endv thereof, which grate may be of any desired construction. The various sections each consist` of a wateroontaining top 12 and depending watercontaining side wall elements 13, the latter of which are outwardly bulged,` as shown. The lower ends of the side wall elements eX- tend downwardly to -the grate and -restupon the base 10, as shown, said lower ends of each section beingiiidependent. Each section is furthermore provided with an intermediate depending water-containing leg 14, which depends toward the grate and in the present embodiment terminates short of the'same, though the length of thiswaterz-legmay be varied considerably without departing. from the spirit of the invention. Furthermore, while a central leg is shown-inthe present embodiment it will bel evident that each boiler-section may be provided with a number of said legs.

It will be observed that theo posite side faces of the boiler-sections are flat, so that they will abut closely together, and consequently when togetherthe side wall elements 13 lform opposite continuous-water-containing side walls, while the intermediate'legs being also abutted constitute a continuous intermediate watercontainingV partition. The various sections are held togethery by tiebolts 15 passing through integral sleeves 16, that bridge the different sections, said tiebolts thus rigidly maintaining the parts in assembled relation. Water communication is established through the different side-wall elements through push-nipples 16, located in alinedA openings 17, formed in theH lower ends of the side-wall elements, the lower ends of the i legs being also in communication through push-nipples` 18, disposed in openings forined in the adjacent sides ofsaid legs and clearly shown in Fig. 4 of the drawings.- Theftops of the boiler-sectionsare also in communication through similar push-'nipples 19. it will thus be apparent tliat'water can circulate freely through ythe entire boiler; One or'more outlet-nipples, as 20, arepreferably formed in the top of the boiler, and `nipples 21, formed in the sides of said boiler, constitute means for connecting the return-pipes thereto..

By the arrangementiabove disclosed it will be seen that the interior ofthe boilerf is dividedby the water-legs into separatecombustion-compartments, and these compartbase 10, having. a grate 11 ments have separate'` communication witha This communication is smoke-outlet 22.

IOO

IIO

i,/Hrev is built in both the aHorded through indirect Hues formed in the tops 12 of the sections. In the present embodiment the intermediate sections are provided in their tops with outer and inner Hue elements 23 and 24, that are completely surrounded by water and when the boiler-sections are secured together form spaced sets of outer and inner Hues, as will be evident by reference to Fig. 5. The front section 7 is provided with a pair of comparatively large Hue elements 25, which communicate with both Hue elements of each set of the adjacent sections. Consequently the inner and outer Hues 23 and 24are in communication-at the front end of the boiler. The rear section 8 is provided with a pair of uptakes 26, that constitutethe means of communication between the different combustion-com artments and the outer Hues 23. This wil be evidentil by reference to Fig. 5. Said rear section 8, furthermore, has a pair of inner Hue elements 27, that aline with the inner Hue elements 24 of the intermediate sections and constitute the means of communication between thesame and the smoke-outlet 22. By this arrangement it will be seen that each combustion compartment has its independent and indirect Hue connection with the smoke-outlet and that these Hue connections, as well as the combustion-compartments, are Water-inclosed. It will of course be understood that suitable doors yare provided for the different Hues, combustion-compartments, and ash-pit. In operation if a combustion compartments the depending water-legs or intermediate partition will be embedded therein, and consequently in the hottest part of the Hre. Moreover, the products of combustion are required to traverse vlong indirect Hues, so that the heat 1s almost completely absorbed by the surrounding water, and actual eX erience has demonstrated that the smo e-pipe will be cold. Moreover, with this structure no great draft is necessary, and instead of actual Hame in order to heat the water it is suHicient to have the coal merely glowing, as the water-legv is depending directly within the same. The result is an exceedingly-economical and highly-effective furnace. Another advantage securedby the depending intermediate partition resides in the fact that in comparatively warm Weather, but when heat is necessary and the full capacity of the furnace is Jnot required, fire may be maintained in one ,combustion-compartment only, and as this compartment has its own vHue connection with the smoke-outlet the Hre may be properly maintained therein. Furthermore, heating devices of different characters-as, for instance,

ployed in sired. In

the diiierent compartments, if deaddition to the above 'advantages it will be evident that the boiler is very the comparatively I gas or oil burners-may be em-l simple in construction and that the size of the same may be varied by merely introducing intermediate boiler-sections and employing different lengths of bases and grates. Furthermore, the different sections may be readily removed and replaced, so that in case an accident should occur to any' section the same may be supplanted with a new one without the cost of an entirely new boiler.

From the foregoing it is thought that the construction, operat on, and many advantages of the herein-described invention will be apparent to those skilled in the art without further description, and it will be understood that various changes in the size, shape, proportion, and minor details of construction may be resorted to without departing from the sp'rit or sacrificing any of the advantages of the invention.

Having thus fully described my invention. what I claim as new, and desire to secure by Letters Patent, ie-

1. A boiler of the character described, comprising a grate, a plurality of hollow sections, each having top and side-wall elements, and an intermediate water-containing leg depending from the top element between the side-wall elements, the side-wall elements of the different sections being located together, forming furnace side walls, and the legs being located against each other, forming a continuous intermediate furnace-partitionl between the side walls and located over an intermediate portion of the grate, tie devices and water-conducting means connecting the sidewall elements, and tie devices and water-conducting means connecting the lower portions of the abutted legs.

2. A boiler of the character described,

comprising a plurality of hollow sections, each having top and side-wall elements, and an intermediate water-containing leg depending from the top element between the side-wall elements, the side-wall elements of the different sections being located together, forming furnace side walls, and the legs having opposite Hat sides abutted against each other, forming a continuous intermediate furnace-partition between the side-walls, tiebolts passing through the side-wall elements, nipples connecting the adjacent side-wall elements, a tie-bolt passing through the legs, and nipples connecting the adjacent legs.

3. In a boiler of the character described, they combination with a grate, of a boilerbody comprising abutted sections, said sections, each consisting of a top, independent water-containing side-wall elements depending from the top to the sides of the grate, and intermediate water-containing legs depending from the top toward an intermediate portion of the grate, said side-wall elements being abutted, and said intermediate legs being abutted, forming separate combustion-'compartments over the grate, tie-rods passing IOC IIO

through the side Walls and through the intermediate legs, and Water-conducting means connecting the abutted side-Wall elements and the abutted legs to permit the circulation of Water through the side Walls and through the intermediate partition formed by the depending legs.

4. A boiler of the character described, comprising sections, each section including top and depending side-Wall elements having Water-chambers therein, and flue-openings formed through the Water-chambers of the tops of the various sections, said boiler-sec tions being abutted with the 'flue elements in alinernent, and the ilues formed thereby extending longitudinallyT through the boiler.

5. A boiler of the character described, having top, side Walls, and an intermediate Water-leg partition depending from the top and Aforming separate combustion-compartnients, said top having ,a Water-chamber therein and separate flues extending longitudinally through the Water-chamber of the top, and communicating respectively with the different combustion-compartments.

6. In a boiler of the character described, the combination with a Water-containing top, Water-containing side Walls, and an intermediate Water containing partition 'forming separate combustion-chambers Within the boiler7 of a smoke-outlet, and separate indirect lues extending longitudinally through the Water-containing top and surrounded by the Water in said top, said iiues independently connecting the different compartments to the smoke-outlet.

7. In a boiler of the character described, the combination with a base, of a furnacegrate located thereon and extending from end to end thereof, and a boiler body mounted on the base and comprising end an intermediate sections, said sections each comprising a Water-containing top, independent outWardly-bulged side-Wall elements extending to the opposite sides of the base, intermediate depending Water-containing legs, the side-Wall elements and intermediate legs of the different sections being abutted, forming outer side Walls, and an intermediate partition dividing the space Within the body into separate combustion-compartments over the grate, a smoke-outlet at one end of the boiler, and independent indirect 'flues extending longitudinally through the Water-containing top of the furnace and separately connecting the different comb ustion-coinpartrnents With the smoke-outlet.

Signed at Buffalo, in the county of Erie and State of New York, this 31st day oi' October, 1905.

BENJ. FRANKLIN ROGERS.

Vitnesses:

ALBERT W. ROGERS, ALICE AUsTrNE HOWARD. 

